WO2022127735A1 - Module de caméra, procédé de fabrication et terminal mobile - Google Patents

Module de caméra, procédé de fabrication et terminal mobile Download PDF

Info

Publication number
WO2022127735A1
WO2022127735A1 PCT/CN2021/137441 CN2021137441W WO2022127735A1 WO 2022127735 A1 WO2022127735 A1 WO 2022127735A1 CN 2021137441 W CN2021137441 W CN 2021137441W WO 2022127735 A1 WO2022127735 A1 WO 2022127735A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera module
lens structure
photosensitive
lens
optical axis
Prior art date
Application number
PCT/CN2021/137441
Other languages
English (en)
Chinese (zh)
Inventor
刘佳
何艳宁
袁栋立
魏罕钢
刘冰玉
卞强龙
Original Assignee
宁波舜宇光电信息有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波舜宇光电信息有限公司 filed Critical 宁波舜宇光电信息有限公司
Priority to CN202180084487.4A priority Critical patent/CN116648901A/zh
Publication of WO2022127735A1 publication Critical patent/WO2022127735A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the present application relates to the technical field of optical devices, and more particularly, to a camera module, a manufacturing method, and a mobile terminal.
  • camera modules In order to meet users' requirements for imaging quality, camera modules usually need to have multiple functions such as high pixels, long focal length, large aperture, auto focus, and anti-shake.
  • the integration of these functions often leads to an increase in the size of the camera module, especially the Increase the height of the camera module.
  • the height increase and the thinning of the mobile phone due to the improved function of the camera module will cause the assembled camera module to protrude from the body casing of the mobile phone and form a boss on the back side of the mobile phone. This will make the mobile phone in a tilted and unstable state when placed on a desktop or other surface, affecting the user's operating experience. More importantly, the camera module protrudes from the body casing of the mobile phone, which will cause the camera module or the protective cover outside the camera module to have a great risk of damage. The generation of cracks will affect the imaging of the camera module.
  • the present application provides a camera module, a manufacturing method and a mobile terminal that can at least partially solve the above technical problems.
  • a camera module in one aspect of the present application, includes: a photosensitive assembly; a first lens structure, a second lens structure and a third lens structure are sequentially arranged on the photosensitive path of the photosensitive assembly and along the optical axis from the object side to the image side; the focusing assembly includes: The driving part is fixedly connected with the second lens structure; the fixed frame is fixedly connected with the third lens structure and restricts the driving part to move along the direction of the optical axis.
  • the driving part is provided with at least one first magnetic structure, and is provided with at least one first ball groove parallel to the optical axis;
  • the fixed frame is provided with at least one first coil structure and at least one second ball groove, wherein, the position of the first coil structure corresponds to the position of the first magnetic structure, and the position of the first ball groove corresponds to the position of the second ball groove; and the focusing assembly further includes: located in the first ball groove and the second ball groove a plurality of first balls in between.
  • the camera module further includes an anti-shake component, including: a movable part, which is fixedly connected to the photosensitive component; a fixed part, which is fixedly connected to the third lens structure and defines the movable part on a plane perpendicular to the optical axis. move.
  • an anti-shake component including: a movable part, which is fixedly connected to the photosensitive component; a fixed part, which is fixedly connected to the third lens structure and defines the movable part on a plane perpendicular to the optical axis. move.
  • the movable part is provided with at least one second magnetic structure, and is provided with a plurality of third ball grooves perpendicular to the optical axis;
  • the fixed part is provided with at least one second coil structure and at least one fourth ball groove , wherein the position of the second coil structure corresponds to the position of the second magnetic structure, the position of the fourth ball groove corresponds to the position of the third ball groove; and the anti-shake assembly further comprises: located in the third ball groove and the fourth ball groove A plurality of second balls between the ball grooves.
  • the camera module further includes: an installation housing for accommodating the first lens structure, the second lens structure and the third lens structure, and fixedly connected with the first lens structure and the third lens structure.
  • the photosensitive component includes: a circuit board with a first surface; a photosensitive element, disposed on the first surface of the circuit board and having a photosensitive path; an electronic component, disposed on the first surface of the circuit board, and connected to the first surface of the circuit board
  • the photosensitive elements are arranged at intervals;
  • the molding seat is arranged on the first surface of the circuit board, and has stepped light-passing holes corresponding to the light-sensing paths, the stepped light-passing holes include a first cavity away from the light-sensitive element; and color filters
  • the color filter is arranged in the first cavity, and the thickness of the color filter on the optical axis is less than or equal to the height of the first cavity on the optical axis.
  • the circuit board has a mounting groove for accommodating the photosensitive element, wherein the shape of the mounting groove corresponds to the shape of the photosensitive element.
  • a reinforcing plate is provided on the second surface of the circuit board opposite to the first surface, and the reinforcing plate is fixed to the second surface of the circuit board.
  • the depth of the mounting groove is less than or equal to the thickness of the circuit board.
  • the electronic components are encapsulated by a molded seat.
  • the mounting housing accommodates the photosensitive assembly
  • the movable portion is fixedly connected to the top surface of the photosensitive assembly
  • the outer periphery of the fixed portion is fixedly connected to the inner side of the upper edge of the mounting housing.
  • the first lens structure includes at least one lens including: a first lens farthest from the photosensitive component; and an object side surface of the first lens is a plane.
  • the image side surface of the first lens is concave.
  • Another aspect of the present application provides a method for manufacturing a camera module.
  • the method includes: arranging a third lens structure on the object side of the photosensitive component along the optical axis; arranging a focusing component on the object side of the third lens structure, wherein the focusing component includes a driving part and a fixed frame, and the fixed frame is connected with the first lens structure.
  • the three-lens structure is fixedly connected, and the driving part is limited to move along the direction of the optical axis;
  • a second lens structure is arranged on the object side of the third lens structure, wherein the second lens structure is fixedly connected with the driving part; Set the first lens structure on the object side
  • the sub-optical axis of the first lens structure, the sub-optical axis of the second lens structure, and the sub-optical axis of the third lens structure are made to coincide.
  • the method further includes: disposing an anti-shake assembly on the periphery of the photosensitive assembly, wherein the anti-shake assembly includes a movable part and a fixed part, the movable part is fixedly connected to the photosensitive assembly, and the fixed part is connected to the third
  • the lens structure is fixedly connected and defines the movable part to move on a plane perpendicular to the optical axis.
  • the mobile terminal includes a camera module as described in any of the above embodiments; and a body casing, a camera module is disposed inside, including a mounting hole matched with a photosensitive path of the camera module.
  • the object side surface of the first lens farthest from the photosensitive component in the at least one lens of the first lens structure and the outer surface of the body casing are in the same plane.
  • the camera module provided by the embodiment of the present application utilizes the internal focus of the camera module to ensure imaging quality. In this way, not only the overall height of the camera module can be reduced, but also the compactness of each lens structure can be ensured, which is beneficial to the lightening and thinning of the camera module. Meanwhile, setting the anti-shake assembly can further improve the imaging quality of the camera module, and the photosensitive assembly provided by the embodiments of the present application can reduce its overall volume and weight, thereby ensuring the anti-shake control accuracy of the photosensitive assembly. In addition, by limiting the installation housing of the camera module and the installation positions of other structures, the overall installation flatness of the camera module can be effectively ensured.
  • Fig. 1 is the assembly structure schematic diagram of the existing camera module
  • FIG. 2 is a schematic cross-sectional view of a camera module according to an embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional view of a photosensitive assembly according to an embodiment of the present application.
  • FIG. 4 is an assembly schematic diagram of a driving part according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a fixed frame according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an anti-shake assembly according to an embodiment of the present application.
  • FIG. 8 is an assembly schematic diagram of a camera module according to an embodiment of the present application.
  • FIG. 9 is a flowchart of a method for manufacturing a camera module according to an embodiment of the present application.
  • FIG. 10 is an assembly schematic diagram of a lens module according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a mobile terminal according to an embodiment of the present application.
  • FIG. 12 is a left side view of the mobile terminal of FIG. 11 .
  • the existing camera module usually adopts a driving motor such as a voice coil motor, so that the camera module has the functions of focusing and anti-shake.
  • FIG. 1 is a schematic diagram of an assembly structure of a conventional camera module 100 .
  • the conventional camera module 100 includes a lens assembly 110 , a driving motor 120 and a photosensitive assembly 130 .
  • the driving motor 120 may have a driving unit and a fixing unit (not shown).
  • the driving unit is fixedly connected with the lens assembly 110.
  • the lens assembly 110 fixedly connected with the driving unit can be made to move. The relative movement occurs, thereby realizing the focusing and anti-shake functions of the camera module 100 .
  • the installation height of the camera module 100 in the mobile phone can be composed of the height H1 of the movable space, the height H2 of the driving motor 120 and the height H3 of the photosensitive element 130 .
  • the camera module 100 When the existing camera module 100 is installed in a mobile phone, due to the thickness limitation of the mobile phone, the camera module 100 will protrude from the body casing of the mobile phone after being installed, such as the rear casing, thereby affecting the performance of the mobile phone.
  • FIG. 2 is a schematic cross-sectional structure diagram of a camera module 200 according to an embodiment of the present application.
  • the camera module 200 may include: a first lens structure 210 , a second lens structure 220 , a third lens structure 230 , a photosensitive component 240 , a mounting housing 250 , a focusing component 260 and an anti-shake component 270 .
  • At least one lens in the first lens structure 210 , at least one lens in the second lens structure 220 , and at least one lens in the third lens structure 230 can together form the optical system of the camera module 200 , and can be held in the photosensitive assembly 240 . on the photosensitive path.
  • the imaging plane of the optical system may be located at the photosensitive component 240 .
  • the imaging light incident on the object side sequentially passes through the first lens structure 210 , the second lens structure 220 and the third lens structure 230 , and is then received by the photosensitive component 240 and photoelectrically converted to form an electrical signal related to the object image.
  • the object side may be referred to as the object side
  • the photosensitive component 240 side may be referred to as the image side.
  • the focusing assembly 260 can include a driving part 261 and a fixed frame 262, the driving part 261 is fixedly connected with the second lens structure, the fixed frame 262 can be fixedly connected with the third lens structure 230, and restricts the driving part 261 to move along the direction of the optical axis, The driving part 261 can cause the second lens structure 220 to be displaced relative to the first lens structure 210 and the third lens structure 230 in the direction of the optical axis, so as to realize the focusing function of the camera module 200 .
  • the embodiments of the present application provide a camera module that implements a focusing function inside a lens assembly.
  • the camera module does not need to be provided with a movable space that needs to be reserved when the conventional drive motor structure is adopted, which is beneficial to reduce the overall height of the camera module and is beneficial to the lightness and thinness of the camera module.
  • the first lens structure 210 may include at least one lens, and the lens in the first lens structure may be made of optical plastic or optical glass.
  • the first lens structure 210 may include a first lens barrel, and the lenses in the first lens structure are connected to the first lens barrel by, for example, gluing, so as to carry and protect the lenses in the first lens structure.
  • the object side of the first lens farthest from the photosensitive component 240 may be a plane, so that the first lens can be installed in contact with an external element such as a glass cover when installed Completely fit, which is beneficial to reduce the overall installation height of the camera module.
  • the first lens structure 210 may include a plano-concave lens, and the object side of the plano-concave lens may be flat, and the image side may be concave. It should be understood that the first lens structure 210 may also be a single lens or a combination of multiple lenses in other forms. As long as the object side surface of the first lens farthest from the photosensitive assembly 240 is flat, a flat mounting plane can be provided for the external components.
  • the second lens structure 220 may include at least one lens, for example, two lenses, and the lenses in the second lens structure 220 may be made of optical plastic or optical glass.
  • the second lens structure 220 may include a second lens barrel, and the lenses in the second lens structure 220 are connected to the second lens barrel by, for example, bonding, so as to carry and protect the lenses in the second lens structure.
  • the third lens structure 230 may include at least one lens, for example, three lenses, and the lenses in the third lens structure 230 may be made of optical plastic or optical glass.
  • the third lens structure 230 may include a third lens barrel, and the lenses in the third lens structure 230 are connected to the third lens barrel by, for example, gluing, so as to carry and protect the lenses in the third lens structure.
  • the lenses of the first lens structure 210 , the second lens structure 220 and the lenses of the third lens structure 230 can jointly constitute the optical system of the camera module 200 .
  • the first lens structure 210, the second lens structure 220, and the third lens structure 230 can be formed into a whole with sub-optical axes located on the same straight line by means of, for example, bonding, for receiving external image information, and converting the image The information is transmitted to the photosensitive element 240 .
  • FIG. 3 is a schematic cross-sectional structure diagram of a photosensitive assembly 240 according to an embodiment of the present application.
  • the photosensitive component 240 may include a circuit board 241 , a photosensitive element 242 , an electronic component 243 , a molding seat 244 and a color filter 245 .
  • the circuit board 241 can be used as a substrate of the photosensitive assembly 240 for carrying other parts of the photosensitive assembly 240 .
  • the circuit board 241 may have a first surface 2411 and a second surface 2412 opposite to the first surface 2411 .
  • the photosensitive element 242 may be disposed on the first surface 2411 of the circuit board 241 . Specifically, the photosensitive element 242 may be mounted on the central area of the first surface 2411 of the circuit board 241 . The photosensitive element 242 and the circuit board 241 may be electrically connected to an edge area surrounding the central area of the circuit board 241 through connection wires 246 .
  • the connecting wires 246 may be gold wires. After the photosensitive element 240 is mounted on the circuit board 241 , one end of the gold wire is connected to the photosensitive element 242 and the other end of the gold wire is connected to the circuit board 241 through a gold wire bonding process. It should be understood by those skilled in the art that the connecting wires 246 may also be of other types, such as silver wires, copper wires, and the like.
  • the photosensitive element 242 may be a photocoupler element (CCD) or a complementary metal oxide semiconductor element (COMS). And the photosensitive element 242 may include a photosensitive area at the center and a non-photosensitive area around the photosensitive area.
  • the photosensitive area of the photosensitive element 242 can receive light passing through the optical system including the first lens structure 210 , the second lens structure 220 and the third lens structure 230 , and has a photosensitive path corresponding to the photosensitive area.
  • the circuit board 241 has an installation groove for accommodating the photosensitive element 242 , and the shape of the installation groove corresponds to the shape of the photosensitive element 242 .
  • the depth of the mounting groove may be equal to the thickness of the circuit board 241 .
  • the photosensitive element 242 can be completely embedded in the mounting groove of the circuit board 241, and a reinforcing plate, such as a steel plate, can also be provided on the second surface 2412 of the circuit board 241 , for enhancing the strength of the circuit board 241 .
  • the depth of the mounting groove may be smaller than the thickness of the circuit board 241 , and when the photosensitive element 242 is embedded in the mounting groove, the photosensitive element 242 may protrude from the first surface 2411 of the circuit board 241 (as shown in FIG. 3 ) .
  • a reinforcing plate such as a steel plate, can also be provided on the second surface 2412 of the circuit board 241 to enhance the strength of the circuit board 241 .
  • the volume and weight of the photosensitive assembly 240 can be reduced as a whole by arranging the mounting grooves on the circuit board 241 to cooperate with the photosensitive element 242 , which is beneficial to the anti-shake control accuracy of the photosensitive assembly 240 .
  • the specific structure and working principle are described in detail.
  • the electronic components 243 may be disposed on the first surface 2411 of the circuit board 241 and spaced apart from the photosensitive elements 242 . Specifically, the electronic component 243 can be mounted on the edge region of the first surface 2411 of the circuit board 241 and is spaced apart from the photosensitive element 242 by a certain distance.
  • the electronic components 243 may be implemented, for example, as capacitors, resistors, drive devices, or the like.
  • the molding seat 244 can be disposed on the first surface 2411 of the circuit board 241 and has a stepped light-passing hole corresponding to the light-sensing path of the light-sensing element 242 .
  • the stepped light-passing hole may have at least two cavities with different diameters, and the cavity farthest from the photosensitive element 242 may be the first cavity.
  • the molding seat 244 may have a top surface parallel to the first surface 2411 of the circuit board 241, and the cavity of the stepped light hole close to the photosensitive element 242 may have an inclined inner side.
  • the molding seat 244 may be disposed on the edge region of the first surface 2411 of the circuit board 241 and not overlap with the photosensitive element 242 .
  • the molding seat 244 may be disposed on the edge area of the first surface 2411 of the circuit board 241 and overlap with the non-photosensitive area of the photosensitive element 242 (as shown in FIG. 3 ).
  • the molding seat 244 covers the electronic components 243 and the connecting wires 246 and is integrally formed with the circuit board 241 through a molding process.
  • the electronic component 243 can be encapsulated inside the molding seat 244 .
  • the whole formed by the molding seat 244 and the circuit board 241 may further include a non-photosensitive area of the photosensitive element 242 .
  • the electronic component 243 is encapsulated between the molding seat 244 and the circuit board 241 , which can effectively protect the electronic component 243 .
  • the color filter 245 can be arranged in the first cavity of the stepped light-pass hole, and the thickness of the color filter 245 on the optical axis is less than or equal to the height of the first cavity of the stepped light-pass hole on the optical axis, and the filter A space is formed between the color chip 245 and the photosensitive element 242 .
  • the thickness of the color filter 245 is less than or equal to the height of the first cavity of the stepped light-pass hole on the optical axis
  • the color filter 245 and the top surface of the molding seat 244 can be in the same plane, or relative to the mold
  • the top surface of the plastic seat 244 is concave. This helps to reduce the overall height of the photosensitive component 240, thereby reducing the overall height of the camera module.
  • the use of the molded seat 244 to support the color filter 245 can eliminate the independently provided color filter mounting seat, which can reduce the volume and weight of the photosensitive assembly 240 as a whole, which is beneficial to the anti-shake control accuracy of the photosensitive assembly 240 , and the specific structure and working principle of the anti-shake assembly 270 will be described in detail below.
  • the color filter 245 may be implemented as an infrared cut filter, a fully transparent spectral filter, and other color filters or combinations of multiple color filters.
  • the mounting housing 250 can accommodate the first lens structure, the second lens structure and the third lens structure, and the mounting housing 250 can communicate with the first lens structure 210 and the third lens structure 230 through, for example, The connection is fixed by means of gluing (not shown).
  • the mounting shell 250 is mounted on a mobile terminal such as a mobile phone, in the working state, the first lens structure 210 and the third lens structure 230 fixedly connected with the mounting shell 250 can remain in a static state.
  • the focusing assembly 260 may include a driving part 261 and a fixing frame 262 .
  • the driving part 261 can be fixedly connected to the second lens structure 220 by means of, for example, bonding, threading and snapping. Specifically, the driving part 261 can be fixedly connected to the second lens barrel of the second lens structure 220 .
  • the fixing frame 262 may be fixedly connected with the mounting housing 250 through the third lens structure 230 (not shown). Generally speaking, when the mounting shell 250 is mounted on a mobile terminal such as a mobile phone, the fixing frame 262 fixedly connected with the mounting shell 250 can remain in a stationary state. In addition, the fixed frame 262 may define the driving part 261 to move in the direction of the optical axis.
  • the driving part 261 can move a small distance relative to the fixed frame 262 along the sub-optical axis of the second lens structure 220 . Since the sub-optical axis of the first lens structure 210, the sub-optical axis of the second lens structure 220, and the sub-optical axis of the third lens structure 230 are coaxial, and since the first lens structure 210 and the third lens structure 230 are connected to the fixed frame 262 Fixed connection so as to remain fixed, the driving part 261 can drive the second lens structure 220 to move slightly along the optical axis relative to the first lens structure 210 and the third lens structure 230, so as to realize the fine adjustment of the position of the second lens structure 220, In this way, the camera module 200 can realize the focusing function in the camera module 200 while the first lens structure 210 is kept in a fixed state, thereby effectively improving the quality of the generated image.
  • the second lens structure 220 fixedly connected to the driving part 261 is also The relative displacement along the optical axis can be generated with the third lens structure 230 , so as to realize the focusing function of the camera module 200 .
  • FIG. 4 is a schematic view of the assembly of the driving part 261 according to the embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of the mounting frame 262 according to an embodiment of the present application.
  • the driving part 261 can be a rectangular parallelepiped having a central through structure, which can accommodate the second lens structure 220 and is fixedly connected with the second lens structure 220 .
  • a first magnetic structure 2611 is disposed at the center portion of the opposite sides of the rectangular parallelepiped.
  • first ball grooves 2612 are symmetrically disposed on both sides of the first magnetic structure 2611 , and the first ball grooves 2612 are spaced apart from the first magnetic structure 2611 .
  • the extending direction of the first ball groove 2612 is parallel to the optical axis direction of the second lens structure 220 .
  • the extending direction of the first ball groove 2612 is parallel to the optical axis direction.
  • the fixed frame 262 can be used for accommodating the driving part 261 , and a first coil structure 2621 and a second ball groove 2622 are respectively provided on two side surfaces corresponding to the driving part 261 .
  • a plurality of first balls 263 may be disposed in the space formed between the first ball groove 2612 and the second ball groove 2622, and the size of the first ball 263 may be matched with the size of the first ball groove 2612 and the second ball groove 2622 .
  • the first magnetic structure 2611 and the first coil structure 2621 move relative to each other. Specifically, when the electromagnetic force induced by the current applied by the first coil structure 2621 attracts the first magnetic structure 2611 , the fixing frame 262 provided with the first coil structure 2621 is fixed. Therefore, the driving part 261 provided with the first magnetic structure 2611 moves along the optical axis along the first ball groove 2612 and the second ball groove 2622 and the plurality of first balls 263 matched therewith.
  • the second lens structure 220 fixedly connected with the driving part 261 can be moved along the direction of the optical axis, and since the first lens structure 210 and the third lens structure 230 are fixed, the second lens structure 220 can be moved
  • the relative position of 220 relative to the first lens structure 210 and the third lens structure 230 along the optical axis direction changes, and the focusing of the camera module 200 can be achieved by adjusting the relative positions of the respective lens structures.
  • the focusing function in the camera module 200 can be realized, and the principle is simple, easy to implement, and beneficial to cost saving.
  • the balls and ball grooves cooperate to reduce friction and improve the sensitivity when focusing.
  • the anti-shake component 270 can adjust the displacement of the photosensitive component 240 according to the shaking of the camera module 200 , thereby compensating for the shaking image of the camera module 200 .
  • the anti-shake assembly 270 includes a movable part 271 and a fixed part 272 .
  • the movable part 271 may be fixedly connected with the photosensitive component 240 by means of, for example, bonding.
  • the fixing portion 272 can be fixedly connected to the mounting housing 250 through the third lens structure 230 .
  • the fixing portion 272 fixedly connected with the mounting shell 250 can remain in a stationary state.
  • the fixed part 272 can limit the movable part 271 to move on a plane perpendicular to the optical axis.
  • the movable part 271 can move a minute distance relative to the fixed part 272 on a plane perpendicular to the optical axis. Since the fixed portion 240 is fixedly connected to the mounting housing 250 and remains fixed, the movable portion 271 can drive the photosensitive assembly 240 to move slightly along the direction perpendicular to the optical axis, thereby realizing the anti-shake function of the camera module 200 .
  • the circuit board 241 and the photosensitive element 242 of the photosensitive assembly 240 can be moved synchronously, thereby effectively protecting the line connection between the two and ensuring the current in the working state. supply.
  • FIG. 6 is a schematic structural diagram of an anti-shake assembly 270 according to an embodiment of the present application.
  • FIG. 7 is an assembly plan view of the movable portion 271 according to the embodiment of the present application.
  • the movable portion 271 may be a rectangular parallelepiped having a central through structure, and the central through structure may correspond to the photosensitive path of the photosensitive component 240 and be fixedly connected to the photosensitive component 240 .
  • the bottom surface can be fixedly connected with the top surface of the molding seat 244 of the photosensitive component 240 .
  • Second magnetic structures 2711 may be provided on two adjacent side surfaces of the movable portion 271 , and third ball grooves 2712 may be provided in four corner areas of the top surface of the movable portion 271 .
  • the plane where the third ball groove 2712 is located may be perpendicular to the optical axis.
  • the fixed part 272 can be used for accommodating the movable part 271 , and at the positions of the fixed part 272 corresponding to the second magnetic structure 2711 and the third ball groove 2712 , a second coil structure 2721 and a fourth ball groove 2722 are respectively provided.
  • a plurality of second balls 273 may be disposed in spaces formed between the third ball grooves 2712 and the fourth ball grooves 2722 , and the sizes of the second balls 273 may be matched with the third ball grooves 2712 and the fourth ball grooves 2722 .
  • the second magnetic structure 2711 moves relative to the second coil structure 2721.
  • the fixing portion 272 provided with the second coil structure 2721 is The movable portion 271 is fixed, and thus the movable portion 271 provided with the second magnetic structure 2711 can drive the photosensitive element 240 to move along the y-axis direction.
  • the fixing portion 272 provided with the second coil structure 2721 is fixed. Therefore, the movable portion 272 provided with the second magnetic structure 2722 can drive the photosensitive element 240 to move along the x-axis direction. In this way, the movable part 272 can drive the photosensitive assembly 240 to move relatively on the xy plane.
  • the anti-shake assembly 270 can make the photosensitive assembly 240 move in a direction perpendicular to the optical axis.
  • the specific structural forms and implementation manners of the movable portion and the fixed portion are not limited to this, and other forms can also be used to cause the movable portion and the fixed portion to move relative to each other in a defined direction.
  • the present application realizes the anti-shake effect of the camera module by adjusting the relative position of the photosensitive assembly by using the anti-shake component, which can avoid the degradation of the imaging quality by adjusting multiple sets of lenses, and is beneficial to improve the imaging quality of the camera module.
  • FIG. 8 is an assembly schematic diagram of the camera module 200 according to the embodiment of the present application.
  • the mounting housing 250 can accommodate the photosensitive assembly 240 .
  • the movable portion 271 is fixedly connected to the top surface of the photosensitive assembly 240
  • the outer periphery of the fixed portion 272 is fixedly connected to the inner side of the upper edge of the mounting housing 250 . This can not only effectively protect the photosensitive assembly 240 , but also ensure the flatness of the bottom of the camera module 200 .
  • the installation casing 250 is directly installed on the mobile terminal, the flatness of the overall structure of the camera module 200 after installation can be guaranteed.
  • FIG. 9 is a flowchart of a manufacturing method 1000 of a camera module according to an embodiment of the present application. As shown in FIG. 9, method 1000 includes steps as described below.
  • a third lens structure is arranged on the photosensitive path of the photosensitive component along the object side of the optical axis.
  • a focusing assembly is provided on the object side of the third lens structure, the focusing assembly includes a driving part and a fixed frame, the fixed frame is fixedly connected with the third lens structure, and the driving part is limited to move along the direction of the optical axis.
  • FIG. 10 is a schematic assembly diagram of a camera module according to an embodiment of the present application.
  • the third lens structure 230 , the second lens structure 220 , and the first lens structure 210 can be arranged in sequence on the on the photosensitive path of the photosensitive assembly (not shown).
  • the photosensitive assembly can be first set in the installation housing 250' and its position is relatively fixed, and then the third lens structure 230, the second lens structure 220 and the first lens structure 210 can be sequentially placed on the photosensitive path of the photosensitive assembly so that the sub-optical axes of the three are in the same straight line.
  • the stability of the overall structure can be ensured, and the lens assembly is accommodated in the mounting housing 250', which can ensure the compactness of each lens structure, thereby reducing the assembly height of the assembled camera module.
  • a split assembly method can also be used, that is, the positions of the first lens structure, the second lens structure, and the third lens structure are relatively fixed, and the sub-optical axes of the three are in the same straight line.
  • the sub-optical axes of the first lens structure, the second lens structure assembled with the focusing assembly, and the third lens structure may be in the same straight line.
  • the sub-optical axes of the first to third lens structures can be in the same straight line by using machine vision and active alignment technology.
  • the following steps may also be included: the first lens structure and the third lens structure are fixedly connected to the mounting housing, and the driving part is fixedly connected to the second lens structure.
  • the method 1000 may further include: disposing an anti-shake component on the outer periphery of the photosensitive component.
  • the anti-shake assembly includes a movable part and a fixed part, wherein the movable part is fixedly connected with the photosensitive assembly, and the fixed part is fixedly connected with the third lens structure and restricts the movable part to move on a plane perpendicular to the optical axis.
  • the camera module manufactured by the method 1000 realizes the focusing function by adjusting the relative distances between the respective lens structures in the optical system. In this way, the overall height of the camera module can be effectively reduced, which is beneficial to the lightening and thinning of the camera module.
  • FIG. 11 is a schematic structural diagram of a mobile terminal 20 according to an embodiment of the present application.
  • FIG. 12 is a left side view of the mobile terminal 20 of FIG. 11 .
  • the mobile terminal 20 includes a body casing 202 and at least one camera module 200, such as two, as described in any of the above embodiments.
  • the camera module 200 may be disposed inside the body casing 202 , and the body casing 202 may have a mounting hole matching the photosensitive path of the camera module 200 .
  • the object side of the first lens may be on the same plane as the outer surface of the body housing 202 .
  • the mobile terminal 20 with the camera module 200 installed in this way can avoid the problem that the camera module 200 is too high to protrude from the body shell 202 of the mobile terminal 20, which is beneficial to improve the user's operating experience.
  • the camera module 200 can also be applied to the side of the mobile terminal 20 with the display panel, which not only prevents the camera module from protruding from the body casing, but also ensures the imaging quality of the front camera module.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Studio Devices (AREA)

Abstract

Un module de caméra, un procédé de fabrication, et un terminal mobile sont divulgués dans la présente demande. Le module de caméra comprend : un ensemble photosensible ; une première structure de lentille, une seconde structure de lentille et une troisième structure de lentille, qui sont agencées de manière séquentielle le long d'un axe optique d'un côté objet à un côté image et sur un trajet photosensible de l'ensemble photosensible ; un ensemble de focalisation, qui comprend une partie d'entraînement reliée de manière fixe à la seconde structure de lentille ; et un cadre fixe, qui est relié de manière fixe à la troisième structure de lentille et définit la partie d'entraînement pour se déplacer dans la direction de l'axe optique. Le module de caméra divulgué dans la la présente demande peut réduire la hauteur globale du module de caméra, ce qui facilite la légèreté et l'amincissement du module de caméra.
PCT/CN2021/137441 2020-12-18 2021-12-13 Module de caméra, procédé de fabrication et terminal mobile WO2022127735A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202180084487.4A CN116648901A (zh) 2020-12-18 2021-12-13 摄像模组、制造方法以及移动终端

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011502390.4 2020-12-18
CN202011502390.4A CN114650323A (zh) 2020-12-18 2020-12-18 摄像模组、制造方法以及移动终端

Publications (1)

Publication Number Publication Date
WO2022127735A1 true WO2022127735A1 (fr) 2022-06-23

Family

ID=81991089

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/137441 WO2022127735A1 (fr) 2020-12-18 2021-12-13 Module de caméra, procédé de fabrication et terminal mobile

Country Status (2)

Country Link
CN (2) CN114650323A (fr)
WO (1) WO2022127735A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115209020A (zh) * 2022-06-27 2022-10-18 联想(北京)有限公司 一种电子设备及信息处理方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115278008A (zh) * 2022-07-12 2022-11-01 Oppo广东移动通信有限公司 摄像头模组及终端设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005275270A (ja) * 2004-03-26 2005-10-06 Toshiba Corp レンズ鏡筒および撮像装置
CN101009773A (zh) * 2006-01-24 2007-08-01 光宝科技股份有限公司 数字相机模块
CN107071254A (zh) * 2017-05-31 2017-08-18 广东欧珀移动通信有限公司 摄像头组件及电子设备
CN111025515A (zh) * 2018-10-10 2020-04-17 宁波舜宇光电信息有限公司 光学变焦摄像模组及其组装方法
CN113490878A (zh) * 2020-03-16 2021-10-08 华为技术有限公司 变焦镜头、摄像头模组及移动终端

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120047111A (ko) * 2010-11-03 2012-05-11 삼성전기주식회사 렌즈배럴 구동장치
KR101634552B1 (ko) * 2014-05-23 2016-07-08 마이크로엑츄에이터(주) 초소형 카메라모듈용 자동 초점 조절장치
CN204086644U (zh) * 2014-08-25 2015-01-07 瑞声精密制造科技(常州)有限公司 镜头驱动装置
KR101896962B1 (ko) * 2016-02-04 2018-09-12 마이크로엑츄에이터(주) 카메라 렌즈 조립체
KR102400516B1 (ko) * 2017-06-12 2022-05-23 마이크로엑츄에이터(주) 렌즈 구동 장치 및 이를 포함하는 카메라 렌즈모듈
CN208079225U (zh) * 2018-03-14 2018-11-09 欧菲影像技术（广州）有限公司 对焦防抖摄像模组及其线路板机构
KR102090625B1 (ko) * 2019-11-11 2020-03-18 자화전자(주) 자동초점 조절장치 및 이를 포함하는 카메라 모듈
CN210781015U (zh) * 2019-12-03 2020-06-16 南昌欧菲光电技术有限公司 摄像头模组及电子设备
CN111586270B (zh) * 2020-05-07 2022-01-18 Oppo广东移动通信有限公司 成像装置及电子设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005275270A (ja) * 2004-03-26 2005-10-06 Toshiba Corp レンズ鏡筒および撮像装置
CN101009773A (zh) * 2006-01-24 2007-08-01 光宝科技股份有限公司 数字相机模块
CN107071254A (zh) * 2017-05-31 2017-08-18 广东欧珀移动通信有限公司 摄像头组件及电子设备
CN111025515A (zh) * 2018-10-10 2020-04-17 宁波舜宇光电信息有限公司 光学变焦摄像模组及其组装方法
CN113490878A (zh) * 2020-03-16 2021-10-08 华为技术有限公司 变焦镜头、摄像头模组及移动终端

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115209020A (zh) * 2022-06-27 2022-10-18 联想(北京)有限公司 一种电子设备及信息处理方法
CN115209020B (zh) * 2022-06-27 2024-03-05 联想(北京)有限公司 一种电子设备及信息处理方法

Also Published As

Publication number Publication date
CN114650323A (zh) 2022-06-21
CN116648901A (zh) 2023-08-25

Similar Documents

Publication Publication Date Title
US11601576B2 (en) Array camera module having height difference, circuit board assembly and manufacturing method therefor, and electronic device
CN109698894B (zh) 基于金属支架的感光组件和摄像模组
WO2022127735A1 (fr) Module de caméra, procédé de fabrication et terminal mobile
EP2124431B1 (fr) Module de caméra comportant trois éléments
CN109688298B (zh) 摄像模组阵列及相应的一体式基板
KR102390760B1 (ko) 카메라 장치 및 이를 구비한 전자 장치
US11579341B2 (en) Lens, camera module and manufacturing method thereof
KR20130127780A (ko) 카메라 모듈
TWI706215B (zh) 鏡片組驅動裝置、攝影模組與電子裝置
US20070086769A1 (en) Image taking apparatus
US20230358996A1 (en) Lens assembly, camera module, and optical device
JPWO2008132979A1 (ja) 撮像装置の製造方法及び撮像装置
JP2011015401A (ja) 撮像モジュール
TWI673531B (zh) 鏡頭致動模組與電子裝置
CN110716275B (zh) 塑胶镜筒、自动对焦模块及电子装置
TW202202932A (zh) 相機模組與電子裝置
WO2022143218A1 (fr) Module de caméra, procédé de fabrication et terminal mobile
KR100829982B1 (ko) 카메라 모듈
TWI666504B (zh) 鏡頭驅動裝置、攝影模組與電子裝置
CN113824865A (zh) 摄像头组件及电子设备
CN113747027A (zh) 摄像头组件及电子设备
CN115774312A (zh) 光学镜头及其组装方法以及摄像模组
CN115774316A (zh) 光学镜头以及摄像模组
KR20220106547A (ko) 카메라 모듈
CN216625827U (zh) 摄像头组件及电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21905664

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202180084487.4

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21905664

Country of ref document: EP

Kind code of ref document: A1